
Department circular (United States. Dept. of Agriculture)
National Agricultural Library
Department circular (United States. Dept. of Agriculture)
by
American Association of State Highway Officials
Department circular (United States. Dept. of Agriculture)
by
Magness, J. R. (John Robert), 1894-; Taylor, George F. (George Frederick), 1887-
Department circular (United States. Dept. of Agriculture)
by
Grotlisch, V. E. (Victor Edward), 1889-
Department circular (United States. Dept. of Agriculture)
by
Ernest, L. B. (Lucien Benson), 1885-1940; Lash, Elmer, joint author
Department circular (United States. Dept. of Agriculture)
by
Denton, Minna C. (Minna Caroline), b. 1873; Johnstin, Ruth; Yeatman, Fanny Walker, b. 1876
Department circular (United States. Dept. of Agriculture)
by
Besley, H. J. (Harold Joslyn), 1884-; Boerner, E. G. (Emil George), 1878-; Cox, John Herron, 1879-
Department circular (United States. Dept. of Agriculture)
by
United States. Bureau of Chemistry
Department circular (United States. Dept. of Agriculture)
by
Blair, R. E. (Roscoe Eugene), 1889-
Department circular (United States. Dept. of Agriculture)
by
Mohler, John R. (John Robbins), b. 1875
Department circular (United States. Dept. of Agriculture)
by
King, C. J. (Chalmers Jackson), 1893-
Department circular (United States. Dept. of Agriculture)
by
Yoder, P. A. (Peter A.), 1867-1929; Ingram, J. W. (Jesse Wilburn), b. 1900-
Department circular (United States. Dept. of Agriculture)
by
Kelly, Ernest, 1883-; Posson, R. J. (Rutherford Jay), 1890-
Department circular (United States. Dept. of Agriculture)
by
Kempton, F. E. (Forrest Ellwood), b. 1883-; Thompson, Noel F. (Noel Finley), 1891-
Department circular (United States. Dept. of Agriculture)
by
United States. Department of Agriculture
Department circular (United States. Dept. of Agriculture)
by
Snapp, Oliver I; Turner, William F. (William Franklin), 1887-; Roberts, John W. (John William), 1882-
Department circular (United States. Dept. of Agriculture)
by
Lawyer, George A. (George Augustus), 1876-; Earnshaw, Frank L. (Frank Leslie), 1887-
Department circular (United States. Dept. of Agriculture)
by
Link, George K. K. (George Konrad Karl), b. 1888-; Meier, F. C. (Fred Campbell), 1893-1938
Department circular (United States. Dept. of Agriculture)
by
Clark, J. Allen (Jacob Allen), 1888-; Martin, John H. (John Holmes), 1893-; Stakman, E. C. (Elvin Charles), 1885-1979
Department circular (United States. Dept. of Agriculture)
by
Truax, Hartley E. (Hartley Eugene), 1886-
Department circular (United States. Dept. of Agriculture)
by
Camp, Wofford B. (Wofford Benjamin), 1894-
Department circular (United States. Dept. of Agriculture)
by
Dale, J. K. (Julian Kalfus), 1889-
Department circular (United States. Dept. of Agriculture)
by
Farrell, George E. (George Edward), b. 1881
Department circular (United States. Dept. of Agriculture)
by
Burgess, A. F. (Albert Franklin), 1873-
Department circular (United States. Dept. of Agriculture)
by
Larsen, J. A. (Julius Ansgar), 1877-; Lowdermilk, W. C. (Walter Clay), 1888-1974
Department circular (United States. Dept. of Agriculture)
by
Phillips, Everett Franklin, 1878-1951
Department circular (United States. Dept. of Agriculture)
by
Kelly, Ernest, 1883-; Babcock, Clarence Joseph, 1894-; Leete, C. S. (Charles Sidney), 1892-; Posson, R. J. (Rutherford Jay), 1890-
Department circular (United States. Dept. of Agriculture)
by
Hall, Maurice C. (Maurice Crowther), 1881-1938; Price, Emmett W. (Emmett William), 1886-; Wright, Willard H. (Willard Hull), 1894-
Department circular (United States. Dept. of Agriculture)
by
Christensen, Chris L. (Chris Lauriths), b. 1894
Department circular (United States. Dept. of Agriculture)
by
Chace, E. M. (Edward Mackay), 1874-; United States. Bureau of Chemistry and Soils
Department circular (United States. Dept. of Agriculture)
by
Pirtle, T. R. (Thomas Ross), 1870-1938
Department circular (United States. Dept. of Agriculture)
by
Moomaw, Clarence W. (Clarence Wilkes), 1880-; Franklin, Marjorie L
Department circular (United States. Dept. of Agriculture)
by
Ackerman, A. J. (Arthur John), 1889-1937
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